Support course copy to New Quizzes
Support course copy to New Quizzes

refs QUIZ-7525
flags=none

Test Plan:
  - Ensure course copy works in the following scenarios.
  - New Quizzes migration disabled. (QO->QO)
  - New Quizzes migration enabled, and unchecked.  (QO->QO)
  - New Quizzes migration enabled, and checked (QO->NQ)
  - New Quizzes migration enabled by default, and checked (QO->NQ)
  - New Quizzes migratimon forced.

Change-Id: I64dfdbe1f4ef5d4b73f7b090d9365d0a0bb0ad6f
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/233415
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>
QA-Review: Mark McDermott <20dd8ba615f2257ea7254f93d6f30ae11aa4f904@instructure.com>
Product-Review: Stephen Kacsmark <90aaf30f5583a54f0f3cdbd115e37bda3a251932@instructure.com>
Reviewed-by: Gabriel Brady <44920beed94fbec4df9a3f19d184ec56b8445826@instructure.com>

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